Home / 11,961.09-17,944.37-3,642.29

Finding the Fourth Proportional to 11,961.09, 17,944.37 and 3,642.29

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Solution

The fourth proportional to 11,961.09, 17,944.37 and 3,642.29 is: 5,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.09 : 17,944.37 = 3,642.29 : x
  2. Step 2: Convert to fraction form
    11,961.09/17,944.37 = 3,642.29/x
  3. Step 3: Cross multiply
    11,961.09x = 17,944.37 × 3,642.29
  4. Step 4: Simplify right side
    11,961.09x = 65,358,599.41
  5. Step 5: Solve for x
    x = 65,358,599.41/11,961.09
  6. Step 6: Final answer
    x = 5,464.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.